CN207542066U - A kind of dry transformer pouring mould tool - Google Patents
A kind of dry transformer pouring mould tool Download PDFInfo
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- CN207542066U CN207542066U CN201721417797.0U CN201721417797U CN207542066U CN 207542066 U CN207542066 U CN 207542066U CN 201721417797 U CN201721417797 U CN 201721417797U CN 207542066 U CN207542066 U CN 207542066U
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- external mold
- internal model
- seal groove
- panel
- sealing
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Abstract
The utility model proposes a kind of dry transformer pouring mould tools, including external mold and internal model, the cylindrical cast chamber for setting coil is formed between internal model and external mold, and internal model and external mold are each provided on pedestal, are stamped cover board above, the internal model and external mold are fixed on by screw rod between cover board and pedestal, it is characterized in that, panel is equipped on the outside of the outer membrane, and panel is sealed with outer membrane, the pedestal is equipped with bottom cover, and the external mold and inner membrance are sealed by bottom cover；The utility model can give two kinds of different loads to power, make it on the basis of grounding transformer by the way that low-voltage coil is carried out secondary capacity division, increase function of supplying power, applicability is expanded, saves construction capital, is had broad application prospects and use value.
Description
Technical field
The utility model is related to a kind of mold, specially a kind of dry transformer pouring mould tool belongs to transformer technology neck
Domain.
Background technology
At present, electric system, the widely applied dry-type transformer of the railway system, reactor, mutual inductor etc., using asphalt mixtures modified by epoxy resin
Fat is poured into a mould, and during poured with epoxy resin, all needs to be poured into a mould and shaped using mold.Existing casting moulds have hard mold and soft
Mould.Because the die cost of hard mold is high, finished surface quality is good not as good as the product of soft mode, and general dry-type transformer coil cast is adopted
It is processed with soft mode.It was found that casting process has stripping pattern rate higher, cause product cast loss larger, labour's increase influences one
Fixed production capacity.
Invention content
The purpose of the utility model is to overcome existing dry type transformer coil casting mold there are the problem of, provide one
The novel dry type transformer coil casting mold of kind, by improving the sealing means of mold, improves die-filling efficiency, reduces
The stripping pattern rate of cast, while ensure the verticality of coil and the levelness of coil end face, the quality of product is improved, is reduced
Production cost.
For realization more than technical purpose, the technical solution adopted in the utility model is：A kind of dry transformer pouring mould tool,
Including external mold and internal model, the cylindrical cast chamber for setting coil is formed between internal model and external mold, and internal model and external mold are all provided with
On pedestal, it is stamped cover board above, the internal model and external mold are fixed on by screw rod between cover board and pedestal, which is characterized in that
Panel is equipped on the outside of the external mold, and panel is sealed with external mold, the pedestal is equipped with bottom cover, and the external mold and internal model pass through
Bottom cover seals.
Further, the cover board is equipped with the plug hole for injecting castable, and plug hole is connected with cast chamber,
The panel is equipped with the different spout hole for being used to flow out castable of multiple height, and spout hole is connected with cast chamber, can
By the different spout hole of each height come the height of regulating winding end face.
Further, the cover board is equipped in cross clamping stent, and the end for clamping stent is equipped with spiral shell
Internal model and external mold are fastened on pedestal and clamping stent by pit, the screw rod across threaded hole using bolt.
Further, the panel is equipped with rectangular seal slot with external mold contact position, is equipped with sealing strip in rectangular seal slot, outside
Mould protrusion is partially submerged into rectangular seal slot to be sealed by sealing ring；The internal model bottom is sealed with bottom cover contact position equipped with internal model
Slot, internal model seal groove is interior to be equipped with internal model sealing ring, and the bottom cover is equipped with external mold seal groove, external mold sealing with external mold bottom contact position
External mold sealing ring is equipped in slot, bottom cover is equipped with the annular projection to match with internal model seal groove, and external mold bottom is equipped with and external mold
The annular projection that seal groove matches, protrusion is embedded into seal groove to be sealed by sealing ring.
Further, the panel sealing slot is rectangular seal slot, and the external mold seal groove and internal model seal groove are ring
Shape seal groove.
Further, the internal model and external mold are cylinder, and the lower diameter of internal model cylinder is less than upper diameter, difference
For 1mm ~ 3mm.
From the above, it can be seen that the beneficial effects of the utility model are：
1）The contact surface of novel dry type transformer coil casting mold employs sealing ring and is sealed, entire mold
Good airproof performance；
2）With an origin reference location inside and outside entire mold, mold assembling is without adjustment, one-time-reach-place；
3）It solves the problems, such as mold verticality, while ensure that coil end face levelness；
4）The yield rate and production efficiency of cast are improved, reduces production cost.
Description of the drawings
Fig. 1 is the perspective structure schematic diagram of the utility model.
Fig. 2 is the schematic diagram amplified at the utility model internal model and external mold sealing.
Fig. 3 is the schematic diagram amplified at the utility model panel sealing.
Reference sign：1- external molds；2- internal models；3- cover boards；4- bottom covers；5- pedestals；6- clamps stent；7- screw rods；8-
Panel；9- spout holes；10- external mold seal grooves；11- internal model seal grooves；12- panel sealing slots；13- plug holes.
Specific embodiment
With reference to specific drawings and examples, the utility model is described in further detail.
According to Fig. 1, a kind of dry transformer pouring mould tool, including external mold 1 and internal model 2, between internal model 2 and external mold 1
The cylindrical cast chamber for setting coil is formed, and internal model 2 and external mold 1 are each provided on pedestal 5, are stamped cover board 3 above, it is described
Internal model 2 and external mold 1 are fixed on by screw rod 7 between cover board 3 and pedestal 5, which is characterized in that 1 outside of external mold is equipped with panel
8, and panel 8 is sealed with external mold 1, the pedestal 5 is equipped with bottom cover 4, and the external mold 1 and internal model 2 are sealed by bottom cover 4；
The cover board 3 is equipped with the plug hole 13 for injecting castable, and plug hole 13 is connected with cast chamber, described
Panel 8 is equipped with the different spout hole 9 for being used to flow out castable of multiple height, and spout hole 9 is connected with cast chamber, can lead to
Cross the height that the different spout hole 9 of each height comes regulating winding end face；
The cover board 3 is equipped in cross clamping stent 6, and the end for clamping stent 6 is equipped with threaded hole, institute
It states screw rod 7 internal model 2 and external mold 1 are fastened on pedestal 5 and clamping stent 6 using bolt across threaded hole, the screw rod 7 is
4, and perpendicular to clamping stent 6 and pedestal 5.
The internal model 2 and external mold 1 are cylinder, and the lower diameter of internal model cylinder is less than upper diameter, difference for 1mm ~
3mm is convenient for the demoulding of internal model 2 in this way.
According to fig. 2 with shown in Fig. 3, the panel 8 is equipped with panel sealing slot 12, panel sealing slot 12 with 1 contact position of external mold
Interior to be equipped with sealing strip, external mold 1 protrudes to be sealed in part embedded surface plate seal groove 12 by sealing strip；2 bottom of internal model and bottom
4 contact position of lid is equipped with internal model seal groove 11, is equipped with internal model sealing ring in internal model seal groove 11, the bottom cover 4 connects with 1 bottom of external mold
Synapsis is equipped with external mold seal groove 10, and external mold sealing ring is equipped in external mold seal groove 10, and bottom cover 4 is equipped with and 11 phase of internal model seal groove
Identical annular projection, 1 bottom of external mold are equipped with the annular projection to match with external mold seal groove 10, and protrusion is embedded into seal groove
It is sealed by sealing ring；The panel sealing slot 12 is rectangular seal slot, and the external mold seal groove 10 and internal model seal groove 11 are equal
For annular seal groove.
The assembling process of the utility model dry type transformer coil casting mold is that first, 4 positioning mold of bottom cover is installed
On pedestal 5, while to loading onto external mold sealing ring in the external mold seal groove 10 of the periphery of bottom cover 4；Secondly, it is close in the internal model of internal model 2
Internal model sealing ring is loaded onto in sealing groove 11, then by 2 mold of internal model together with the centre that bottom cover 4 is mounted on around the coil made；Again, it connects
It and assembles panel 8, while on the installation sealing strip of panel sealing slot 12 of panel 8, positioning panel 8 to external mold 1, clamp external mold
1 and the sealing surface of panel 8；Finally, external mold 1 is attached on pedestal 5, upper clamping stent 6, erecting jib is screwed on screw rod 7, tightened
Bolt on screw rod 7 ensures that external mold 1 and internal model 2 fasten, and mold is made not loosen；
Casting process is, castable is injected by the plug hole 13 on cover board 3 during cast, until overflowing from mold panel 8
Discharge orifice 9 has castable outflow, closes castable valve, and cast terminates.
The utility model and embodiments thereof are described above, this describe it is no restricted, it is attached shown in figure
Also it is one of embodiment of the utility model, practical structure is not limited thereto.If the ordinary skill people of this field
Member is enlightened by it, without deviating from the purpose of the present invention, is not inventively designed and the technical solution
Similar frame mode and embodiment, all should belong to the protection range of the utility model.
Claims (6)
1. a kind of dry transformer pouring mould tool, including external mold（1）And internal model（2）, internal model（2）And external mold（1）Between formed use
Cylindrical in setting coil pours into a mould chamber, and internal model（2）And external mold（1）It is each provided at pedestal（5）On, it is stamped cover board above（3）, institute
State internal model（2）And external mold（1）Pass through screw rod（7）It is fixed on cover board（3）With pedestal（5）Between, which is characterized in that the external mold
（1）Outside is equipped with panel（8）, and panel（8）With external mold（1）Sealing, the pedestal（5）It is equipped with bottom cover（4）, the external mold
（1）And internal model（2）Pass through bottom cover（4）Sealing.
2. a kind of dry transformer pouring mould tool according to claim 1, it is characterised in that：The cover board（3）It is equipped with
For injecting the plug hole of castable（13）, and plug hole (13) is connected with cast chamber, the panel（8）It is equipped with multiple high
Spend the different spout holes for being used to flow out castable（9）, and spout hole（9）It is connected with cast chamber, it can be by each height not
Same spout hole（9）Carry out the height of regulating winding end face.
3. a kind of dry transformer pouring mould tool according to claim 1, it is characterised in that：The cover board（3）It is equipped with
In cross clamping stent（6）, the clamping stent（6）End be equipped with threaded hole, the screw rod（7）Across threaded hole
Using bolt by internal model（2）And external mold（1）It is fastened on pedestal（5）With clamping stent（6）Between.
4. a kind of dry transformer pouring mould tool according to claim 1, it is characterised in that：The panel（8）With external mold
（1）Contact position is equipped with panel sealing slot（12）, panel sealing slot（12）It is interior to be equipped with sealing strip, external mold（1）Protrude part embedded surface
Plate seal groove（12）It is interior to be sealed by sealing strip；The internal model（2）Bottom and bottom cover（4）Contact position is equipped with internal model seal groove
（11）, internal model seal groove（11）It is interior to be equipped with internal model sealing ring, the bottom cover（4）With external mold（1）It is close that bottom contact position is equipped with external mold
Sealing groove（10）, external mold seal groove（10）It is interior to be equipped with external mold sealing ring, bottom cover（4）It is equipped with and internal model seal groove（11）It matches
Annular projection, external mold（1）Bottom is equipped with and external mold seal groove（10）The annular projection to match, protrusion are embedded into seal groove and lead to
Cross sealing ring sealing.
5. a kind of dry transformer pouring mould tool according to claim 4, it is characterised in that：The panel sealing slot（12）
For rectangular seal slot, the external mold seal groove（10）With internal model seal groove（11）It is annular seal groove.
6. a kind of dry transformer pouring mould tool according to claim 1, it is characterised in that：The internal model（2）And external mold
（1）It is cylinder, and the lower diameter of internal model cylinder is less than upper diameter, difference is 1mm ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417797.0U CN207542066U (en) | 2017-10-30 | 2017-10-30 | A kind of dry transformer pouring mould tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721417797.0U CN207542066U (en) | 2017-10-30 | 2017-10-30 | A kind of dry transformer pouring mould tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207542066U true CN207542066U (en) | 2018-06-26 |
Family
ID=62611644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721417797.0U Active CN207542066U (en) | 2017-10-30 | 2017-10-30 | A kind of dry transformer pouring mould tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207542066U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987108A (en) * | 2018-07-18 | 2018-12-11 | 合肥聚能电物理高技术开发有限公司 | A kind of vacuum mold suitable for saddle-type coil vacuum pressure impregnation |
| CN109087808A (en) * | 2018-08-28 | 2018-12-25 | 上海置信电气股份有限公司 | A kind of epoxy resin dry type transformer mold |
| CN109300668A (en) * | 2018-10-15 | 2019-02-01 | 国网河南省电力公司济源供电公司 | A kind of reel iron core transformer scene winding mould |
| CN114261045A (en) * | 2021-12-22 | 2022-04-01 | 天津市特变电工变压器有限公司 | Device for controlling axial straightness of sheet die of dry-type transformer and operation method |
-
2017
- 2017-10-30 CN CN201721417797.0U patent/CN207542066U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987108A (en) * | 2018-07-18 | 2018-12-11 | 合肥聚能电物理高技术开发有限公司 | A kind of vacuum mold suitable for saddle-type coil vacuum pressure impregnation |
| CN109087808A (en) * | 2018-08-28 | 2018-12-25 | 上海置信电气股份有限公司 | A kind of epoxy resin dry type transformer mold |
| CN109300668A (en) * | 2018-10-15 | 2019-02-01 | 国网河南省电力公司济源供电公司 | A kind of reel iron core transformer scene winding mould |
| CN114261045A (en) * | 2021-12-22 | 2022-04-01 | 天津市特变电工变压器有限公司 | Device for controlling axial straightness of sheet die of dry-type transformer and operation method |
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